2-play

am learnign c++ got sams learn c++ in 21 days so far its a brill book, but its not compiler specific, it keeps going on about compile this code link and run,

what im stuck on is what is linking and how can this be done in MS visual c++ express 2005? ive searched around with no luck yet

what does linking actually do?

does it take 2 pieces of code and put them in format lets say in one peice of source code?

if someone could help would be great

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DuckieHo

huh? Please provide more concise examples?

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decompiled

For example using gcc and compiling... if you are using one of the libraries like Math.h it would look like this:

gcc file.c -lm

I'm not sure in visual studio as I write all my C in console linux.

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dangerousHobo

In Virtual Studio I believe all you need to do is "build" and then "run".
They make it pretty easy. It be different if you were using GCC/G++ or some other compiler, b/c then you'd have to compile the code and then link them together,
VS takes care of the details for you I guess you could say.

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PassMark

Yes, Visual Studo C++ 2005 allows you to compile & link (as parts of the build process).

Compiling converts C++ code into 'object' code. The compiler produces the machine language instructions that the CPU can execute. The compiler produces 1 objecy file per source file.

The linker links together all the object files to create a single .exe file.

Having the compile and link steps seperate allows for faster rebuilding of huge projects as you only need to re-compile the source code that has changed.

My advice would also be to purchase a intro book on Visual Studio (if you are doing Windows development).

my_sql

using Dev-C++ is a far better solution for the Windows C++ developer; just press F9, to compile, link, AND run at the same time. Just google it. Once you are more comfortable with C++, then start using VS as it has many beautiful and amazing opportunities for the developer who doesnt care about the slightly more efficient .exe's made in a Linux compiler (aka GCC which I use)